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Click this button to play Click this button for directions Mechanisms of Evolution Wild Card Survival of the Fittest $100 $100 $100 $100 $200 $200 $200 $200 $300 $300 $300 $300 $400 $400 $400 $400 $500 $500 $500 $500 Variation Exit Variation for $100 A mistake in the DNA sequence, resulting in variation Answer Mutation Back to the Board Variation for $200 The type of cell division that produces unique offspring Answer Meiosis Back to the Board Variation for $300 The type of reproduction that produces variation in the offspring. Answer Sexual reproduction Back to the Board Variation for $400 When homologous chromosomes pair up during meiosis and exchange genes like baseball cards, causing variation. Answer Crossing over Back to the Board Variation for $500 Variation in offspring may produce a new and desirable trait. For the trait to spread through the population it must have ________ ______. Answer Adaptive value Back to the Board Mechanisms of Evolution for $100 When a species produces more offspring than can possibly survive. Answer Overproduction Back to the Board Mechanisms of Evolution for $200 Overproduction and a limited amount of resources produces this between organisms. Answer Competition Back to the Board Mechanisms of Evolution for $300 The major benefit of sexual reproduction, which can lead to new traits that have adaptive value. Answer Genetic Variation Back to the Board Mechanisms of Evolution for $400 Any trait that helps an organism survive and reproduce is said to have _________ _______. Answer Adaptive Value Back to the Board Mechanisms of Evolution for $500 The process of the environment choosing which traits have the most adaptive value, thus choosing which organisms will survive. Answer Natural Selection Back to the Board Regents Questions for $100 A maple tree releases hundreds of seeds in a single season. This is an example of… A. a mutation B. geographic isolation C. overproduction D. non-random mating Answer C. overproduction Back to the Board Regents Questions for $200 A correct interpretation of the theory of natural selection could be… A. The strongest survive B. Nature will cause mutations that fit the environment better C. Individuals will naturally select the variations which allow them to live better D. Individuals which are most fit to the environmental conditions will survive. Answer D. Individuals which are most fit to the environmental conditions will survive. Back to the Board Regents Questions for $300 What is the best definition of evolution? a. Genetic change in an individual. b. Genetic change in a population over time. c. The process by which humans came from monkeys. d. The process by which somatic mutations are passed down to offspring. Answer • b. Genetic change in a population over time. Back to the Board Regents Questions for $400 The structural similarities between the flippers of whales and the arms of humans are used to show that the… a. human species began life in the oceans b. human species and whales have a common ancestry c. whales are older than the human species d. whales evolved from the human species Answer b. human species and whales have a common ancestry Back to the Board Regents Questions for $500 The short “tailbones” of humans are thought to be an example of A. Homologous structures proving evolution B. An adaptation caused by an early ancestors need to have a tail to survive C. Homogeneous structures which indicate common ancestry D. Vestigial structures which are remnants of structures no longer needed for survival Answer D. Vestigial structures which are remnants of structures no longer needed for survival Back to the Board Survival of the Fittest for $100 The struggle for survival between organisms over food, shelter, and mates Answer Competition Back to the Board Survival of the Fittest for $200 Charles Darwin’s theory, that explains how the most fit survive to pass on their genes Answer Natural Selection Back to the Board Survival of the Fittest for $300 Traits that make on organism more fit to survive are said to have ________ ______ . Answer Adaptive Value Back to the Board Survival of the Fittest for $400 Darwin's studies of finches on the Galapagos Islands suggest that the finches' differences in beak structure were most directly due to ( A.)acquired characteristics in the parent finches ( B.)the size of the island where the finches live ( C.)mating behaviors of the different finch species ( D.)adaptations of the finches to different environments Answer ( D.)adaptations of the finches to different environments Back to the Board Survival of the Fittest for $500 Certain strains of bacteria that could be killed by penicillin have now become resistant and penicillin is no longer effective. The probable explanation for this is that a.the gene mutation rate must have increased naturally. b.the strains have become resistant because they needed to do so for survival. c.a mutation that gave some of them resistance was passed on to succeeding generations because it had high survival value. d.the penicillin influence the bacterial pattern of mating. Answer c.a mutation that gave some of them resistance was passed on to succeeding generations because it had high survival value. Back to the Board Amino Acids Name for a chain of Amino Acids Polypeptide 1 One player game 2 Two player game Click here to go back One player game • Choose a category. • Click on the $100 dollar button and read the question. • Write your answer on your answer sheet. • Check your answer by clicking on the Answer button. Click here to go back Two player game • Decide who will go first. • Each player has a separate score sheet. • Player one chooses a category and starts at the top with the $100 question. Click here to go back Click here to continue • Player one writes an answer on the score sheet, then checks the answer. • If the answer is correct, player one chooses again. • If the answer is incorrect, player two can answer the question, then choose again. Click here to go back Click here to continue • Both players continue taking turns until all of the questions are answered. • At the end of the game players simply add their scores. Click here to go back Click here to go back to the main screen